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23 Cards in this Set
- Front
- Back
Weight |
Weight = mass × gravitational field strength |
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Work done |
Work done = force × distance (along the line of action of the force) |
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Force applied to a spring |
Force applied to a spring = spring constant × extension |
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Moment of a force |
Moment of a force = force × distance (normal to direction of force) |
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Pressure |
Pressure = force normal to a surface ÷ area of that surface |
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Distance traveled |
Distance traveled = speed × time |
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Acceleration |
Acceleration = change in velocity ÷ time taken |
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Resultant force |
Resultant force = mass × acceleration |
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Momentum |
Momentum = mass × velocity |
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Kinetic energy |
Kinetic energy = 0.5 × mass × (speed)^2 |
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Gravitational potential energy |
Gravitational potential energy = mass × gravitational field strength × height |
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Power |
Power = energy transferred ÷ time |
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Power |
Power = work done ÷ time |
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Efficiency |
Efficiency = useful output energy transfer ÷ useful input energy transfer |
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Efficiency |
Efficiency = useful energy output ÷ total power output |
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Wave speed |
Wave speed = frequency × wavelength |
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Charge flow |
Charge flow = current × timme |
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Potential difference |
Potential difference = current × resistance |
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Power |
Power = potential difference × current |
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Power |
Power = (current)^2 × resistance |
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Energy transferred |
Energy transferred = power × time |
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Energy transferred |
Energy transferred =charge flow × potential difference |
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Density |
Density = mass ÷ volume |